]> quantitativeReferenceType 1.0 2004/05/12 Quantitative reference type ISO ISO 14048 example quantitative reference types The quantitative reference types given in ISO/TS 14048:2002 clause 7.3 (a). ISO 2002 text/xml ISO14048QuantitativeReferenceType Reference flow of process Outgoing product flow Incoming product flow Other flow Production period Other parameter Functional unit